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Finding the Fourth Proportional to 223,385.10, 335,077.65 and 134,811.60

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Solution

The fourth proportional to 223,385.10, 335,077.65 and 134,811.60 is: 202,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,385.10 : 335,077.65 = 134,811.60 : x
  2. Step 2: Convert to fraction form
    223,385.10/335,077.65 = 134,811.60/x
  3. Step 3: Cross multiply
    223,385.10x = 335,077.65 × 134,811.60
  4. Step 4: Simplify right side
    223,385.10x = 45,172,354,120.74
  5. Step 5: Solve for x
    x = 45,172,354,120.74/223,385.10
  6. Step 6: Final answer
    x = 202,217.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.